Analysis
-
max time kernel
148s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240220-en -
resource tags
-
submitted
21-02-2024 10:44
General
-
Target
2024-02-21_3a28db9a2b17beccefa303ac2fb6ac96_cryptolocker.exe
-
Size
99KB
-
MD5
3a28db9a2b17beccefa303ac2fb6ac96
-
SHA1
5811bf461c9fc71ed718e4d96eed78643b82931b
-
SHA256
e00d8848ec1497368da597ab6d262437e893b7c198c8b70e21ed41e410d38cf0
-
SHA512
d774471c610bd44291218fd898681e9b8838b1bf94fa778f0434fcea86937d9a065c809646733955a8b2d60f401c2053bde1a0285d4b807ac911205302618223
-
SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpwqWsviPeB+:AnBdOOtEvwDpj6zd
Malware Config
Signatures
-
Detection of CryptoLocker Variants 5 IoCs
-
Detection of Cryptolocker Samples 5 IoCs
-
UPX dump on OEP (original entry point) 5 IoCs
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE 1 IoCs
-
UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-02-21_3a28db9a2b17beccefa303ac2fb6ac96_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-21_3a28db9a2b17beccefa303ac2fb6ac96_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
100KB
MD523368e1fb5cb750380e7ea20786bf9a7
SHA116663d66e17fdfe1d88ebdebd5f47f8c8e8844e8
SHA25666bd17652f9ea29c69405721abe05feaceeeae8e5fbec6e646fa4c6e9fc3f74b
SHA5123f2ef281f544b5fc57c5796d0ad6e3c38812d4fa1a7ffe4394756ee8173176f5c1df0b54e0d401db9810909258e1df92604d8fb76c6dd96427966edcbca4629a
-
Filesize
60KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
60KB
-
Filesize
60KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
60KB